import { setChromeFlags } from '../src/app/chrome-flags';
import { config } from '../src/app/config-handler';
import { isDevEnv, isLinux, isMac, isWindowsOS } from '../src/common/env';
import { app } from './__mocks__/electron';

jest.mock('../src/app/config-handler', () => {
    return {
        CloudConfigDataTypes: {
            NOT_SET: 'NOT_SET',
            ENABLED: 'ENABLED',
            DISABLED: 'DISABLED',
        },
        config: {
            getConfigFields: jest.fn(() => {
                return {
                    customFlags: {
                        authServerWhitelist: 'url',
                        authNegotiateDelegateWhitelist: 'whitelist',
                        disableThrottling: 'DISABLED',
                    },
                    disableGpu: true,
                };
            }),
            getCloudConfigFields: jest.fn(() => {
                return {
                    disableThrottling: 'DISABLED',
                };
            }),
        },
    };
});

jest.mock('../src/common/utils', () => {
    return {
        getCommandLineArgs: jest.fn(),
        compareVersions: jest.fn(),
    };
});

jest.mock('electron-log');

describe('chrome flags', () => {
    beforeEach(() => {
        (isDevEnv as any) = false;
        (isMac as any) = true;
        (isWindowsOS as any) = false;
        (isLinux as any) = false;
        config.getConfigFields = jest.fn(() => {
                return {
                    customFlags: {
                        authServerWhitelist: 'url',
                        authNegotiateDelegateWhitelist: 'whitelist',
                    },
                    disableGpu: true,
                };
            });
        jest.clearAllMocks();
    });

    it('should call `setChromeFlags` correctly', () => {
        const spy = jest.spyOn(app.commandLine, 'appendSwitch');
        setChromeFlags();
        expect(spy).nthCalledWith(1, 'auth-negotiate-delegate-whitelist', 'url');
        expect(spy).nthCalledWith(2, 'auth-server-whitelist', 'whitelist');
        expect(spy).nthCalledWith(3, 'disable-background-timer-throttling', 'true');
        expect(spy).nthCalledWith(4, 'disable-d3d11', true);
        expect(spy).nthCalledWith(5, 'disable-gpu', true);
        expect(spy).nthCalledWith(6, 'disable-gpu-compositing', true);
    });

    it('should call `setChromeFlags` correctly when `disableGpu` is false', () => {
        config.getConfigFields = jest.fn(() => {
            return {
                customFlags: {
                    authServerWhitelist: 'url',
                    authNegotiateDelegateWhitelist: 'whitelist',
                },
            };
        });
        const spy = jest.spyOn(app.commandLine, 'appendSwitch');
        setChromeFlags();
        expect(spy).nthCalledWith(1, 'auth-negotiate-delegate-whitelist', 'url');
        expect(spy).nthCalledWith(2, 'auth-server-whitelist', 'whitelist');
        expect(spy).nthCalledWith(3, 'disable-background-timer-throttling', 'true');
        expect(spy).not.nthCalledWith(4);
    });

    it('should set `disable-renderer-backgrounding` chrome flag correctly when cloud config is ENABLED', () => {
        config.getConfigFields = jest.fn(() => {
            return {
                customFlags: {
                    authServerWhitelist: 'url',
                    authNegotiateDelegateWhitelist: 'whitelist',
                    disableGpu: false,
                    disableThrottling: 'ENABLED',
                },
            };
        });
        const spy = jest.spyOn(app.commandLine, 'appendSwitch');
        setChromeFlags();
        expect(spy).nthCalledWith(4, 'disable-renderer-backgrounding', 'true');
        expect(spy).not.nthCalledWith(5);
    });

    it('should set `disable-renderer-backgrounding` chrome flag correctly when cloud config PMP setting is ENABLED', () => {
        config.getCloudConfigFields = jest.fn(() => {
            return {
                disableThrottling: 'ENABLED',
            };
        });
        const spy = jest.spyOn(app.commandLine, 'appendSwitch');
        setChromeFlags();
        expect(spy).nthCalledWith(7, 'disable-renderer-backgrounding', 'true');
        expect(spy).not.nthCalledWith(8);
    });

    it('should set `disable-renderer-backgrounding` chrome flag when any one is ENABLED ', () => {
        config.getConfigFields = jest.fn(() => {
            return {
                customFlags: {
                    authServerWhitelist: 'url',
                    authNegotiateDelegateWhitelist: 'whitelist',
                    disableGpu: false,
                    disableThrottling: 'DISABLED',
                },
            };
        });
        config.getCloudConfigFields = jest.fn(() => {
            return {
                disableThrottling: 'ENABLED',
            };
        });
        const spy = jest.spyOn(app.commandLine, 'appendSwitch');
        setChromeFlags();
        expect(spy).nthCalledWith(4, 'disable-renderer-backgrounding', 'true');
        expect(spy).not.nthCalledWith(5);
    });

    it('should set `disable-renderer-backgrounding` chrome flag when PMP is ENABLED', () => {
        config.getConfigFields = jest.fn(() => {
            return {
                customFlags: {
                    authServerWhitelist: 'url',
                    authNegotiateDelegateWhitelist: 'whitelist',
                    disableGpu: false,
                    disableThrottling: 'ENABLED',
                },
            };
        });
        config.getCloudConfigFields = jest.fn(() => {
            return {
                disableThrottling: 'DISABLED',
            };
        });
        const spy = jest.spyOn(app.commandLine, 'appendSwitch');
        setChromeFlags();
        expect(spy).nthCalledWith(4, 'disable-renderer-backgrounding', 'true');
        expect(spy).not.nthCalledWith(5);
    });

    describe('`isDevEnv`', () => {
        beforeEach(() => {
            (isDevEnv as any) = true;
        });

        it('should call `setChromeFlags` correctly', () => {
            const spy = jest.spyOn(app.commandLine, 'appendSwitch');
            setChromeFlags();
            expect(spy).nthCalledWith(1, 'auth-negotiate-delegate-whitelist', 'url');
            expect(spy).nthCalledWith(2, 'auth-server-whitelist', 'whitelist');
            expect(spy).nthCalledWith(3, 'disable-background-timer-throttling', 'true');
            expect(spy).nthCalledWith(4, 'disable-d3d11', true);
            expect(spy).nthCalledWith(5, 'disable-gpu', true);
            expect(spy).nthCalledWith(6, 'disable-gpu-compositing', true);
        });
    });
});